Colour
#3F372B
- #3F372B
- Orange
- Dark
- Nearest: Dark slate grey
#3F372B is a orange with RGB values 63, 55, 43 and HSL 36°, 19%, 21%. It is a dark colour, so white text on it reaches 11.7:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.
Colour values
#3F372B#3F372B
HEX#3F372B
RGBrgb(63, 55, 43)
RGB (0–1)0.2471, 0.2157, 0.1686
RGB percentages24.7%, 21.6%, 16.9%
HSLhsl(36, 18.9%, 20.8%)
HSV / HSBhsv(36, 31.7%, 24.7%)
CMYK0%, 12.7%, 31.7%, 75.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,142,891
CSS custom property--colour: #3F372B;
Brightness & contrast
Relative luminance0.03964WCAG 2.x, 0 is black and 1 is white
Perceived brightness56.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.71:1
Contrast with white11.71:1WCAG normal text: AAA
Contrast with black1.79:1WCAG normal text: Fail
Greyscale equivalent#383838
Inverted#C0C8D4
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text11.71:1WCAG large text: AAA
Contrast with black, large text1.79:1WCAG large text: Fail
Named colours
Hue familyorange
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#2B333F
Analogous#3F2D2B, #3D3F2B
Triadic#2B3F37, #372B3F
Split complementary#2B3D3F, #2D2B3F
Tetradic#2B3F2D, #2B333F, #3F2B3D
Tints, shades & saturation
Channel breakdown
R63
G55
B43
Red63 (24.7%)
Green55 (21.6%)
Blue43 (16.9%)
Hue36°
Saturation (HSL)18.87%
Lightness20.78%
Dominant channelRed
Hex per channelR 3F · G 37 · B 2B
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